SchBell vs Circuit Design
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SchBell
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School Bell is the definitive scheduling tool for teachers and administrators. Effortlessly create, manage, and automate bell schedules for lessons, breaks, and exams. Key features include: Flexible Schedule Groups: Organise routines by day or event. Kiosk Mode: Dedicated display for corridors or staff rooms. Custom Audio: Choose your own alerts. Simplify your schoolβs daily routine today.
Circuit Design
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Circuit Design is a powerful and intuitive circuit simulator and schematic editor for iPhone and iPad. Build electronic circuits with drag-and-drop components, simulate voltage and current in real time, and learn electronics through interactive tools and visual analysis. Create professional circuit diagrams using resistors, capacitors, transistors, LEDs, logic gates, microcontrollers, and more. Watch live current flow animations, analyze voltage levels, and test designs instantly with the built-in simulation engine. Perfect for students, engineers, makers, Arduino enthusiasts, and anyone learning electronics. FEATURES β’ Modern drag-and-drop circuit editor β’ Real-time circuit simulation β’ Interactive voltage and current visualization β’ Huge electronic component library β’ Smart wire routing and snap-to-grid design β’ Oscilloscope and waveform preview β’ PCB layout preview mode β’ Apple Pencil support on iPad β’ AI-powered circuit suggestions and error detection β’ Educational tutorials and guided projects β’ Dark mode optimized interface β’ Export circuits as PNG, PDF, and SVG β’ Cloud sync and project backup Whether you're designing simple LED circuits or advanced electronic systems, Circuit Design gives you a portable electronics lab directly on your device. The App offers two subscription options: -$7.99 Monthly -$29.99 Yearly Prices may vary by location. Privacy Policy: https://privacy.vanlangapps.com Terms of Use: https://tos.vanlangapps.com Should you choose to upgrade to a Pro subscription, payment will be charged to your iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may cancel automatic renewal and manage your subscription by selecting Manage App Subscriptions in your iTunes Account settings and selecting the subscription you want to modify. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a Pro subscription, where applicable.
Screenshots
Verdict
The clearest difference is in-app purchases: SchBell at none against Circuit Design's 3. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Circuit Design sells 3 in-app purchases, starting at $7.99 per month. SchBell asks for nothing beyond the download.
SchBell ships an update every 5 months, Circuit Design every 2 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.
| Parameter | SchBell | Circuit Design |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 18 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tak Fai Chung | Tu Anh Do |
In-app purchases
SchBell
No in-app purchases
Circuit Design
- Circuit Design Premium Monthly$7.991 Month
- Circuit Design Premium Yearly$29.991 Year
- Circuit Design Premium Lifetime$39.99









